package java8_24.oop.Test_1;

import java.util.Scanner;

public class Circular_test {
    public static void main(String[] args) {
        Scanner in=new Scanner(System.in);
        System.out.println("请输入半径");
        Circular c=new Circular(in.nextDouble());
        c.air();
        System.out.println("面积是"+c.air());
        c.zhouchang();
        System.out.println("周长是"+c.zhouchang());
    }
}
